| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 7.25 | 7.626 | 7.25 | 7.25 | 0.6042 | -0.25 (-3.33%) | 1,900 |
| 28 May 1981 | USD | 7.5 | 7.5 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 0 |
| 27 May 1981 | USD | 7.5 | 7.75 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 1,000 |
| 26 May 1981 | USD | 7.5 | 7.876 | 7.5 | 7.5 | 0.625 | +0.124 (+1.68%) | 3,400 |
| 25 May 1981 | USD | 7.376 | 7.376 | 7.376 | 7.376 | 0.6147 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 7.376 | 7.75 | 7.376 | 7.376 | 0.6147 | +0.126 (+1.74%) | 9,500 |
| 21 May 1981 | USD | 7.25 | 7.626 | 7.25 | 7.25 | 0.6042 | +0.124 (+1.74%) | 5,200 |
| 20 May 1981 | USD | 7.126 | 7.376 | 7.126 | 7.126 | 0.5938 | 0.0 (0.0%) | 1,000 |
| 19 May 1981 | USD | 7.126 | 7.376 | 7.126 | 7.126 | 0.5938 | 0.0 (0.0%) | 5,600 |
| 18 May 1981 | USD | 7.126 | 7.376 | 7.126 | 7.126 | 0.5938 | -0.124 (-1.71%) | 3,300 |
| 15 May 1981 | USD | 7.25 | 7.5 | 7.25 | 7.25 | 0.6042 | -0.25 (-3.33%) | 3,000 |
| 14 May 1981 | USD | 7.5 | 7.626 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 400 |
| 13 May 1981 | USD | 7.5 | 7.626 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 300 |
| 12 May 1981 | USD | 7.5 | 7.75 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 400 |
| 11 May 1981 | USD | 7.5 | 7.75 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 3,000 |
| 8 May 1981 | USD | 7.5 | 7.75 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 1,100 |
| 7 May 1981 | USD | 7.5 | 7.626 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 2,200 |
| 6 May 1981 | USD | 7.5 | 7.75 | 7.5 | 7.5 | 0.625 | 0.0 (0.0%) | 9,700 |
| 5 May 1981 | USD | 7.5 | 7.876 | 7.5 | 7.5 | 0.625 | +0.124 (+1.68%) | 9,900 |
| 4 May 1981 | USD | 7.376 | 7.876 | 7.376 | 7.376 | 0.6147 | -0.25 (-3.28%) | 15,700 |
| 1 May 1981 | USD | 7.626 | 7.876 | 7.626 | 7.626 | 0.6355 | 0.0 (0.0%) | 2,300 |
| 30 Apr 1981 | USD | 7.626 | 7.876 | 7.626 | 7.626 | 0.6355 | 0.0 (0.0%) | 2,000 |
| 29 Apr 1981 | USD | 7.626 | 8 | 7.626 | 7.626 | 0.6355 | -0.124 (-1.60%) | 1,600 |
| 28 Apr 1981 | USD | 7.75 | 8.126 | 7.75 | 7.75 | 0.6458 | 0.0 (0.0%) | 1,200 |
| 27 Apr 1981 | USD | 7.75 | 8.126 | 7.75 | 7.75 | 0.6458 | -0.876 (-10.16%) | 21,200 |
| 24 Apr 1981 | USD | 8.626 | 9 | 8.626 | 8.626 | 0.7188 | +0.376 (+4.56%) | 8,900 |
| 23 Apr 1981 | USD | 8.25 | 8.5 | 8.25 | 8.25 | 0.6875 | +0.374 (+4.75%) | 7,900 |
| 22 Apr 1981 | USD | 7.876 | 8.25 | 7.876 | 7.876 | 0.6563 | +0.75 (+10.52%) | 8,100 |
| 21 Apr 1981 | USD | 7.126 | 7.5 | 7.126 | 7.126 | 0.5938 | +0.25 (+3.64%) | 4,700 |
| 20 Apr 1981 | USD | 6.876 | 7.25 | 6.876 | 6.876 | 0.573 | 0.0 (0.0%) | 2,000 |
